The Avengers is coming up on its first anniversary, and it's still blowing the minds of Earthlings and Asgardians alike. As far as superhero blockbusters go, it actually got a lot of its science right. This is especially gratifying in scenes where Bruce Banner and Tony Stark, the Science Bros, discuss awesome stuff like quantum tunneling (a hot topic in science right now). But even though Joss Whedon clearly paid attention to details, The Avengers is still a movie about gods, strength serum, and flying alien Leviathans so there are going to be some mistakes in the math. Check them out in this slideshow!